<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
</head>

<body>
    <div id="root">
        <h2>修改基本数据类型的值</h2>
        <p>初始数据:{{content}}</p>
        <button  @click="chang">修改</button>
    </div>
    <script>
        Vue.config.productionTip = false;	 // 阻止 Vue在启动时生成生产提示
        
        const vm = new Vue({
            el: "#root", // 挂载的容器
            data() { // 数据
                return {
                    content:'lisi'
                }
            },
            methods: {
                chang(){
                    this.content = '哈哈哈哈'
                }
            },
        })
</script>
</body>

</html>